H03G   1/00		椹뤿֤κ	Details of arrangements for controlling amplification	4731
H03G   1/02		ޤӰαʶϩαƱĴޤϱȷ礵줿ΣȣʡˡΣ	Remote control of amplification, tone or bandwidth (combined with remote tuning or selection of resonant circuits <b>H03J</b>)	869
H03G   1/04		˵Ҥߤ㸺뤿ϩѷ˵ǻҤԡ󥹤Ѳαƶ㸺뤿ѷȣƣ	Modifications of control circuit to reduce distortion caused by control(modifications to reduce influence of variations of internal impedance of amplifying elements caused by control <b>H03F1/08</b>)	890
H03G   3/00		ޤϼȿѴΣ	Gain control in amplifiers or frequency changers	6050
H03G   3/02		ư	Manually-operated control	3125
H03G   3/04		ƱĴˤ	in untuned amplifiers	314
H03G   3/06		ŻҴɤĤ	having discharge tubes	123
H03G   3/08		鵢ԤȤ߹	incorporating negative feedback	132
H03G   3/10		ȾƳ֤Ĥ	having semiconductor devices	3938
H03G   3/12		鵢ԤȤ߹	incorporating negative feedback	1121
H03G   3/14		ȿˤ	in frequency-selective amplifiers	68
H03G   3/16		ŻҴɤĤ	having discharge tubes	157
H03G   3/18		ȾƳ֤Ĥ	having semiconductor devices	360
H03G   3/20		ưʲ̤οĥޤϰ̤ȷ礵줿Σȣǣ	Automatic control(combined with volume compression or expansion <b>H03G7/00</b>)	12204
H03G   3/22		ŻҴɤˤ	in amplifiers having discharge tubes	1122
H03G   3/24		Ϥλ٥ޤϲ٥˰¸	Control dependent upon ambient noise level or sound level	322
H03G   3/26		̵ˤ̵	Muting amplifier when no signal is present	502
H03G   3/28		ȿĴˤ	in frequency-modulation receivers	159
H03G   3/30		ȾƳ֤ˤ	in amplifiers having semiconductor devices	13688
H03G   3/32		椬Ϥλ٥ޤϲ٥˰¸	the control being dependent upon ambient noise level or sound level	2109
H03G   3/34		̵ˤ̵	Muting amplifier when no signal is present	2088
H03G   5/00		βޤӰ	Tone control or bandwidth control in amplifiers	1875
H03G   5/02		ưΣ	Manually-operated control	2276
H03G   5/04		ƱĴˤ	in untuned amplifiers	239
H03G   5/06		ŻҴɤĤ	having discharge tubes	192
H03G   5/08		鵢ԤȤ߹	incorporating negative feedback	153
H03G   5/10		ȾƳ֤Ĥ	having semiconductor devices	161
H03G   5/12		鵢ԤȤ߹	incorporating negative feedback	144
H03G   5/14		ȿˤ	in frequency-selective amplifiers	65
H03G   5/16		ư	Automatic control	2493
H03G   5/18		ƱĴˤ	in untuned amplifiers	169
H03G   5/20		ŻҴɤĤ	having discharge tubes	115
H03G   5/22		ȾƳ֤Ĥ	having semiconductor devices	167
H03G   5/24		ȿˤ	in frequency-selective amplifiers	208
H03G   5/26		ŻҴɤĤ	having discharge tubes	259
H03G   5/28		ȾƳ֤Ĥ	having semiconductor devices	104
H03G   7/00		β̰̤ޤϿĥ	Volume compression or expansion in amplifiers	2626
H03G   7/02		ŻҴɤĤ	having discharge tubes	459
H03G   7/04		鵢ԤȤ߹	incorporating negative feedback	95
H03G   7/06		ȾƳ֤Ĥ	having semiconductor devices	409
H03G   7/08		鵢ԤȤ߹	incorporating negative feedback	165
H03G   9/00		ʾηη硤㡥Ȳ	Combinations of two or more types of control, e.g. gain control and tone control	1161
H03G   9/02		ƱĴˤΡΣ	in untuned amplifiers	753
H03G   9/04		ŻҴɤĤ	having discharge tubes	5
H03G   9/06		椪Ӳ	for gain control and tone control	123
H03G   9/08		鵢ԤȤ߹	incorporating negative feedback	67
H03G   9/10		椪Ӳ̿ĥޤϰ	for tone control and volume expansion or compression	75
H03G   9/12		ȾƳ֤Ĥ	having semiconductor devices	24
H03G   9/14		椪Ӳ	for gain control and tone control	133
H03G   9/16		鵢ԤȤ߹	incorporating negative feedback	36
H03G   9/18		椪Ӳ̿ĥޤϰ	for tone control and volume expansion or compression	173
H03G   9/20		ȿˤ	in frequency-selective amplifiers	25
H03G   9/22		ŻҴɤĤ	having discharge tubes	3
H03G   9/24		ȾƳ֤Ĥ	having semiconductor devices	36
H03G   9/26		ȿʤˤΤȶƱĴʤˤΡΣ	in untuned amplifying stages as well as in frequency-selective amplifying stages	9
H03G   9/28		ʤŻҴɤĤ	all amplifying stages having discharge tubes	11
H03G   9/30		ʤȾƳ֤Ĥ	all amplifying stages having semiconductor devices	6
H03G  11/00		桨ѲΨ	Limiting amplitude; Limiting rate of change of amplitude	3077
H03G  11/02		ɤˤΡʣȣǣȣǣȣǣͥ	by means of diodes(<b>H03G11/04</b>, <b>H03G11/06</b>, <b>H03G11/08</b> take precedence)	1380
H03G  11/04		ζ˰¸٥¡ĴƤȤζ˰¸٥	Limiting level dependent on strength of signal; Limiting level dependent on strength of carrier on which signal is modulated	655
H03G  11/06		Ĵ줿Υߥå̴ȷ礵줿ߥåʸͭư̴ȣģ	Limiters of angle-modulated signals; such limiters combined with discriminators(discriminators having an inherent limiting action <b>H03D3/00</b>)	385
H03G  11/08		ѲΨ	Limiting rate of change of amplitude	531
H03G  99/00		Υ֥饹¾Υ롼פʬवʤΣ	Subject matter not provided for in other groups of this subclass	19
